# better-auth (npm) vulnerabilities

Source: https://junglewise.ai/threats/technologies/better-auth  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/better-auth.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 28 vulnerabilities in better-auth (npm): 0 in the last 7 days and 5 in the last 90 days, 3 of them critical and 0 exploited in the wild. The most recent, CVE-2026-114607, was published on 22 October 2026. 5 vulnerabilities in the last four weeks, up from none in the four before. 2 critical against 0.

## Counts

- Last 7 days: 0
- Last 30 days: 4
- Last 90 days: 5
- All time: 28 (3 critical, 0 exploited in the wild)

## About better-auth (npm)

JavaScript authentication and authorization library.

## Latest better-auth (npm) vulnerabilities

- [CVE-2026-114607: Better Auth authentication bypass in Magic Link and OAuth](https://junglewise.ai/threats/cve-2026-114607-better-auth-is-an-authentication-and-authorization-library-for) (critical, CVSS 9.1, published 22 Oct 2026)
- [CVE-2026-110864: Better Auth OAuth Proxy authentication bypass](https://junglewise.ai/threats/cve-2026-110864-better-auth-from-1-5-0-beta-12-before-1-7-7-contains-an) (high, CVSS 7.4, published 14 Oct 2026)
- [CVE-2026-110862: Better Auth authentication bypass via OAuth state reuse](https://junglewise.ai/threats/cve-2026-110862-better-auth-from-1-4-0-beta-18-before-1-7-7-contains-an) (critical, CVSS 9.1, published 14 Oct 2026)
- [CVE-2026-110861: @better-auth/drizzle-adapter: Concurrent requests can exceed rate limits on PostgreSQL](https://junglewise.ai/threats/cve-2026-110861-better-auth-better-auth-drizzle-adapter-and-better-auth-from-1-6) (low, CVSS 3.7, published 14 Oct 2026)
- [CVE-2026-109346: better-auth device authorization UI misrepresentation in deviceAuthorization plugin](https://junglewise.ai/threats/cve-2026-109346-better-auth-from-1-3-8-beta-3-before-1-7-0-rc-3-contains-a-ui) (high, CVSS 8.1, published 12 Oct 2026)
- [better-auth external request basePath modification DoS](https://junglewise.ai/threats/better-auth-external-request-basepath-modification-dos-644481c4) (low, CVSS 3.1, published 2 Aug 2026)
- [CVE-2025-71401: Better Auth router basePath DoS via untrusted forwarded headers](https://junglewise.ai/threats/cve-2025-71401-better-auth-router-basepath-dos-via-untrusted-forwarded-headers) (high, CVSS 5.9, published 2 Aug 2026)
- [CVE-2025-71399: Better Auth path normalization bypass of disabledPaths and rate limits](https://junglewise.ai/threats/cve-2025-71399-better-auth-path-normalization-bypass-of-disabledpaths-and-rate) (high, CVSS 8.6, published 2 Aug 2026)
- [CVE-2026-67337: Better Auth two-factor authentication bypass via premature session caching](https://junglewise.ai/threats/cve-2026-67337-better-auth-two-factor-authentication-bypass-via-premature) (medium, CVSS 6.5, published 1 Aug 2026)
- [CVE-2026-67336: Better Auth insecure cryptographic defaults in oidcProvider](https://junglewise.ai/threats/cve-2026-67336-better-auth-insecure-cryptographic-defaults-in-oidcprovider) (high, CVSS 8.7, published 1 Aug 2026)
- [CVE-2026-67335: Better Auth OAuth state validation bypass in cookie-backed storage](https://junglewise.ai/threats/cve-2026-67335-better-auth-oauth-state-validation-bypass-in-cookie-backed) (medium, CVSS 5.3, published 1 Aug 2026)
- [CVE-2026-67334: Better Auth stale sessions after user deletion in secondary storage](https://junglewise.ai/threats/cve-2026-67334-better-auth-stale-sessions-after-user-deletion-in-secondary) (low, CVSS 3.8, published 1 Aug 2026)
- [CVE-2026-67333: Better Auth stored XSS via javascript: redirect_uri in oidc-provider](https://junglewise.ai/threats/cve-2026-67333-better-auth-stored-xss-via-javascript-redirect-uri-in-oidc) (high, CVSS 7.2, published 1 Aug 2026)
- [CVE-2026-67327: Better Auth account takeover via pre-account hijacking in magic-link and email-OTP](https://junglewise.ai/threats/cve-2026-67327-better-auth-account-takeover-via-pre-account-hijacking-in-magic) (high, CVSS 8.3, published 1 Aug 2026)
- [CVE-2025-71404: Better Auth reflected cross-site scripting in error page](https://junglewise.ai/threats/cve-2025-71404-better-auth-reflected-cross-site-scripting-in-error-page) (medium, CVSS 4, published 1 Aug 2026)
- [CVE-2025-71403: Better Auth trustedOrigins bypass leading to account takeover](https://junglewise.ai/threats/cve-2025-71403-better-auth-trustedorigins-bypass-leading-to-account-takeover) (high, CVSS 7.1, published 1 Aug 2026)
- [CVE-2025-71402: Better Auth multi-session cookie signature bypass](https://junglewise.ai/threats/cve-2025-71402-better-auth-multi-session-cookie-signature-bypass) (medium, CVSS 4, published 1 Aug 2026)
- [CVE-2026-53518: Better Auth race condition in OAuth authorization code redemption](https://junglewise.ai/threats/cve-2026-53518-better-auth-race-condition-in-oauth-authorization-code-redemption) (high, CVSS 8.1, published 15 Jul 2026)
- [CVE-2026-53517: Better Auth race condition in OAuth refresh token rotation](https://junglewise.ai/threats/cve-2026-53517-better-auth-race-condition-in-oauth-refresh-token-rotation) (high, CVSS 8.1, published 15 Jul 2026)
- [CVE-2026-53516: Better Auth improper authentication in OAuth account linking](https://junglewise.ai/threats/cve-2026-53516-better-auth-improper-authentication-in-oauth-account-linking) (high, CVSS 8.3, published 15 Jul 2026)
- [CVE-2026-53514: Better Auth improper authentication in organization invitation endpoints](https://junglewise.ai/threats/cve-2026-53514-better-auth-improper-authentication-in-organization-invitation) (high, CVSS 7.7, published 15 Jul 2026)
- [CVE-2026-53512: Better Auth authentication bypass in legacy OIDC and MCP plugins](https://junglewise.ai/threats/cve-2026-53512-better-auth-authentication-bypass-in-legacy-oidc-and-mcp-plugins) (critical, CVSS 9.1, published 15 Jul 2026)
- [CVE-2026-45337: Better Auth authorization bypass in deviceAuthorization plugin](https://junglewise.ai/threats/cve-2026-45337-better-auth-authorization-bypass-in-deviceauthorization-plugin) (high, CVSS 7.6, published 15 Jul 2026)
- [CVE-2026-45364: Better Auth rate limit bypass via IPv6 address rotation and encoding](https://junglewise.ai/threats/cve-2026-45364-better-auth-rate-limit-bypass-via-ipv6-address-rotation-and) (high, CVSS 7.3, published 28 May 2026)
- [CVE-2025-61928: Better Auth unauthenticated API key creation in api-key plugin](https://junglewise.ai/threats/cve-2025-61928-better-auth-unauthenticated-api-key-creation-in-api-key-plugin) (low, CVSS 3.1, published 9 Oct 2025)

## Most severe better-auth (npm) vulnerabilities

- [CVE-2026-114607: Better Auth authentication bypass in Magic Link and OAuth](https://junglewise.ai/threats/cve-2026-114607-better-auth-is-an-authentication-and-authorization-library-for) (critical, CVSS 9.1, published 22 Oct 2026)
- [CVE-2026-110862: Better Auth authentication bypass via OAuth state reuse](https://junglewise.ai/threats/cve-2026-110862-better-auth-from-1-4-0-beta-18-before-1-7-7-contains-an) (critical, CVSS 9.1, published 14 Oct 2026)
- [CVE-2026-53512: Better Auth authentication bypass in legacy OIDC and MCP plugins](https://junglewise.ai/threats/cve-2026-53512-better-auth-authentication-bypass-in-legacy-oidc-and-mcp-plugins) (critical, CVSS 9.1, published 15 Jul 2026)
- [CVE-2026-67336: Better Auth insecure cryptographic defaults in oidcProvider](https://junglewise.ai/threats/cve-2026-67336-better-auth-insecure-cryptographic-defaults-in-oidcprovider) (high, CVSS 8.7, published 1 Aug 2026)
- [CVE-2025-71399: Better Auth path normalization bypass of disabledPaths and rate limits](https://junglewise.ai/threats/cve-2025-71399-better-auth-path-normalization-bypass-of-disabledpaths-and-rate) (high, CVSS 8.6, published 2 Aug 2026)
- [CVE-2026-67327: Better Auth account takeover via pre-account hijacking in magic-link and email-OTP](https://junglewise.ai/threats/cve-2026-67327-better-auth-account-takeover-via-pre-account-hijacking-in-magic) (high, CVSS 8.3, published 1 Aug 2026)
- [CVE-2026-53516: Better Auth improper authentication in OAuth account linking](https://junglewise.ai/threats/cve-2026-53516-better-auth-improper-authentication-in-oauth-account-linking) (high, CVSS 8.3, published 15 Jul 2026)
- [CVE-2026-53517: Better Auth race condition in OAuth refresh token rotation](https://junglewise.ai/threats/cve-2026-53517-better-auth-race-condition-in-oauth-refresh-token-rotation) (high, CVSS 8.1, published 15 Jul 2026)
- [CVE-2026-53518: Better Auth race condition in OAuth authorization code redemption](https://junglewise.ai/threats/cve-2026-53518-better-auth-race-condition-in-oauth-authorization-code-redemption) (high, CVSS 8.1, published 15 Jul 2026)
- [CVE-2026-109346: better-auth device authorization UI misrepresentation in deviceAuthorization plugin](https://junglewise.ai/threats/cve-2026-109346-better-auth-from-1-3-8-beta-3-before-1-7-0-rc-3-contains-a-ui) (high, CVSS 8.1, published 12 Oct 2026)

## Vulnerabilities per week

5 vulnerabilities in the last four weeks, up from none in the four before. 2 critical against 0.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 4 | 1 | 0 |
| 19 Oct 2026 | 1 | 1 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other npm technologies

- [openclaw (npm)](https://junglewise.ai/threats/technologies/npm-openclaw): 214 vulnerabilities
- [flowise (npm)](https://junglewise.ai/threats/technologies/flowise): 133 vulnerabilities
- [parse-server (npm)](https://junglewise.ai/threats/technologies/parse-server): 117 vulnerabilities
- [vm2 (npm)](https://junglewise.ai/threats/technologies/vm2): 111 vulnerabilities
- [electron (npm)](https://junglewise.ai/threats/technologies/electron): 77 vulnerabilities
- [ghost (npm)](https://junglewise.ai/threats/technologies/ghost): 74 vulnerabilities
- [n8n (npm)](https://junglewise.ai/threats/technologies/npm-n8n): 64 vulnerabilities
- [hono (npm)](https://junglewise.ai/threats/technologies/hono): 62 vulnerabilities
- [directus (npm)](https://junglewise.ai/threats/technologies/directus): 61 vulnerabilities
- [nocodb (npm)](https://junglewise.ai/threats/technologies/nocodb): 54 vulnerabilities
- [undici (npm)](https://junglewise.ai/threats/technologies/undici): 53 vulnerabilities
- [@budibase/server (npm)](https://junglewise.ai/threats/technologies/budibase-server): 42 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "better-auth (npm) vulnerabilities", https://junglewise.ai/threats/technologies/better-auth, 13 November 2026.
